>> the mercedes-benz superdome in new orleans, a week from tonight, the 2012 nfl season will conclude with the unique matchup in super bowl xlvii. the afc champion baltimore ravens led by head coach john harbaugh will meet the nfc champion san francisco 49ers led by head coach jim harbaugh. in a brother versus brother championship game. >> it's time to celebrate! the ravens are going back to the super bowl! >> the san francisco 49ers, super bowl bound! >> now we kick off super bowl week from honolulu, hawaii where many of the league best players have been gathering more than